/*  mbed Microcontroller Library
    Copyright (c) 2006-2013 ARM Limited

    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.
*/
#include "I2CSlave.h"

#if DEVICE_I2CSLAVE

namespace mbed {

    I2CSlave::I2CSlave(PinName sda, PinName scl) : _i2c() {
        i2c_init(&_i2c, sda, scl);
        i2c_frequency(&_i2c, 100000);
        i2c_slave_mode(&_i2c, 1);
    }

    void I2CSlave::frequency(int hz) {
        i2c_frequency(&_i2c, hz);
    }

    void I2CSlave::address(int address) {
        int addr = (address & 0xFF) | 1;
        i2c_slave_address(&_i2c, 0, addr, 0);
    }

    int I2CSlave::receive(void) {
        return i2c_slave_receive(&_i2c);
    }

    int I2CSlave::read(char* data, int length) {
        return i2c_slave_read(&_i2c, data, length) != length;
    }

    int I2CSlave::read(void) {
        return i2c_byte_read(&_i2c, 0);
    }

    int I2CSlave::write(const char* data, int length) {
        return i2c_slave_write(&_i2c, data, length) != length;
    }

    int I2CSlave::write(int data) {
        return i2c_byte_write(&_i2c, data);
    }

    void I2CSlave::stop(void) {
        i2c_stop(&_i2c);
    }

}

#endif
